Astrocytic Expression of the Immunoreceptor CD300f Protects Hippocampal Neurons from Amyloid-β Oligomer Toxicity In Vitro thiago-zaqueu, Luis Roberto Sardinha, Joan Sayós, Luiz Eugênio Mello, Hugo Peluffo fev. 1, 2017 PDF DOI Alzheimer’s disease Amyloid-beta Astrocytes CD300f neuroprotection endocytosis